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        "cveId": "CVE-2023-0240",
        "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "state": "PUBLISHED",
        "assignerShortName": "Google",
        "dateReserved": "2023-01-12T13:04:00.937Z",
        "datePublished": "2023-01-30T13:17:09.182Z",
        "dateUpdated": "2024-08-02T05:02:43.942Z"
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                            "status": "affected",
                            "version": "5.10",
                            "versionType": "custom"
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            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Bing-Jhong Billy Jheng of Starlabs"
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            "datePublic": "2022-12-22T14:30:00.000Z",
            "descriptions": [
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                    "supportingMedia": [
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                            "value": "There is a logic error in io_uring's implementation which can be used to trigger a use-after-free vulnerability leading to privilege escalation.<br><br>In the io_prep_async_work function the assumption that the last io_grab_identity call cannot return false is not true, and in this case the function will use the init_cred or the previous linked requests identity to do operations instead of using the current identity. This can lead to reference counting issues causing use-after-free. We recommend upgrading past version 5.10.161."
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                    "value": "There is a logic error in io_uring's implementation which can be used to trigger a use-after-free vulnerability leading to privilege escalation.\n\nIn the io_prep_async_work function the assumption that the last io_grab_identity call cannot return false is not true, and in this case the function will use the init_cred or the previous linked requests identity to do operations instead of using the current identity. This can lead to reference counting issues causing use-after-free. We recommend upgrading past version 5.10.161."
                }
            ],
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                {
                    "capecId": "CAPEC-233",
                    "descriptions": [
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                            "lang": "en",
                            "value": "CAPEC-233 Privilege Escalation"
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                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
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                        "baseScore": 7.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                            "cweId": "CWE-416",
                            "description": "CWE-416 Use After Free",
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                    "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/io_uring?h=linux-5.10.y&id=788d0824269bef539fe31a785b1517882eafed93"
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                    "url": "https://github.com/gregkh/linux/commit/1e6fa5216a0e59ef02e8b6b40d553238a3b81d49"
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                    "url": "https://kernel.dance/#788d0824269bef539fe31a785b1517882eafed93"
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            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Use after free in io_uring in the Linux Kernel",
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        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://security.netapp.com/advisory/ntap-20230316-0001/"
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                    {
                        "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/io_uring?h=linux-5.10.y&id=788d0824269bef539fe31a785b1517882eafed93",
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                        "vendor": "linux",
                        "product": "linux_kernel",
                        "cpes": [
                            "cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*"
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                        "defaultStatus": "unaffected",
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                                "status": "affected",
                                "lessThanOrEqual": "5.10.161",
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                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-08-01T18:22:24.961145Z",
                                "id": "CVE-2023-0240",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
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                "title": "CISA ADP Vulnrichment",
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